FIELD: machine building.
SUBSTANCE: proposed device comprises assembly with control component and diaphragm coupled with control component. The latter control fluid flow through device, relief valve coupled with control assembly, drive case accommodating, at least, control assembly parts. Note here that drive case has top and bottom part. Every said part comprises flange adjoining diaphragm edges. Drive case has also fasteners to joint said parts together, outlet channel defined by case top section and comprising relief valve. Note here that outlet channel has connection section arranged, at least, partially above case top flange upper surface, and thrust surface defined by case top flange upper surface. Note here also that said thrust surface represents solid annular surface that allows free access to aforesaid fasteners.
EFFECT: ease of use.
15 cl, 4 dwg
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